<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
*{
	text-align:center;
}
	#id10{
		width:700px;
		height:150px;
		background-color:#09F;
		margin-bottom:10px;
	}
	#id11{
		width:180px;
		height:400px;
		background-color:#999;
		float:left;
		margin-right:10px;
		margin-bottom:15px;
	}
	#id12{
		width:320px;
		height:400px;
		background-color:#093;
		float:left;
		margin-right:10px;
		margin-bottom:15px;
	}
	#id13{
		width:180px;
		height:400px;
		background-color:#9CC;
		float:right;
		margin-bottom:15px;
	}
	#id14{
		width:700px;
		height:150px;
		background-color:#6CC;
		clear:both;
	}
	#father{
		width:700px;
		margin:auto;
	}
</style>
</head>

<body>
<div id="father">
	<div id="id10">头</div>
	<div id="id11">左</div>
    <div id="id12">中</div>
	<div id="id13">右</div>
	<div id="id14">底</div>
</div>
</body>
</html>
